批量修改 android:exported，适配 Android 12 行为变更

Android 12 显示声明 exported 属性.md

$ curl -s "https://get.sdkman.io" | bash

$ source "~/.sdkman/bin/sdkman-init.sh"

$ sdk install kotlin

$ cd /path/to/your/project

$ wget exported.main.kts

$ chmod a+x exported.main.kts

$ ./exported.main.kts

exported.main.kts

#!/usr/bin/env kotlin

@file:Repository("https://mvnrepository.com/")
@file:DependsOn("org.jsoup:jsoup:1.14.3")

import org.jsoup.Jsoup
import org.jsoup.nodes.Element
import org.jsoup.parser.Parser
import java.io.File
import java.nio.file.Files
import java.nio.file.Paths

private val ANDROID_EXPORTED = "android:exported"
private val ANDROID_MANIFEST = "AndroidManifest.xml"
private val INTENT_FILTER = "intent-filter"

private val target = listOf("activity", "receiver", "provider", "service")

val path = Paths.get("").toAbsolutePath().toString()

File(path).walk().filter { it.path.endsWith(ANDROID_MANIFEST) }.forEach {
    println("edit: ${it.path}")

    editFile(it)
}

println("done")

fun editFile(file: File) {
    val doc = Jsoup.parse(file.readText(), "", Parser.xmlParser());
    target.flatMap { doc.select(it).toMutableList() }.forEach(::editAttr)
    Files.write(Paths.get(file.path), doc.outerHtml().toByteArray())
}

fun editAttr(element: Element) {
    if (element.hasExported()) {
        return
    }

    val exported = element.hasIntentFilter()

    element.attr(ANDROID_EXPORTED, "$exported")
}

fun Element.hasExported(): Boolean = attributes().any { it.key == ANDROID_EXPORTED }

fun Element.hasIntentFilter(): Boolean {
    return children().any { it.tagName() == INTENT_FILTER }
}